Today, JPMorgan Chase CEO Jamie Dimon is testifying before the House Financial Services Committee about his megabank’s stunning $2 billion loss. As during his testimony before the Senate last week, Dimon is being shown enormous deference by members of Congress, many of whom receive campaign contributions from Dimon’s bank. Take, for example the committee’s chairman, Spencer Bachus (R-AL). Bachus failed to put Dimon under oath during the hearing…